in Gaza Strip
"Reconfiguration of Beit Hanoun Existing Water Wells"
General and Particular (Technical) Specifications
Engineering & Management Consulting Centre
A) General Specifications
1.SCOPE OF THE WORK
These specification covers the reconfiguration and rehabilitation works of the following existing water wells in Beit Hanoun Area.
Well IDC-20 (Ayda Well)
C-128 (Abu Ghazalah Well)
C-120 Khadejah Well
C-127 (El-Izba Well)
C-137 (El Nada Well)
A-210 (Um El-Nasser Well)
These wells are reconfigured and rehabilitated to provide continuous supply for Beit Hanoun locality and Um El-Naser village by discharging the extracted water directly to the new storage tank ST-25 at Um El Naser hill (Western Zone), and to the new storage tank at Khadejs well site (Eastern Zone).
The scope of this contract includes:
- Reconfigure and rehabilitate of the above mentioned water wells. The works include civil, mechanical and electrical works.
- Construct and/or Supply and install all the necessary works as shown on the drawings and directed by the Engineer.
a.DEFINITIONS
Wherever the words defined in this section or pronouns used in their stead occur in the Contract Documents, they shall have the meanings herein given.
Wherever in the Contract Documents, or on the Drawings, the words "as directed", "as described", "as ordered", "as requested", "as required", "as permitted", or words of like import are used, it shall be understood that the direction, description, order, request, requirements or permission of the Engineer is intended. Similarly, the words "approval", "description", "order", and "request".
2.Tender Drawings
A number of Contract Drawings available at the date of Tender is included in the list of Drawings attached to these Specifications. All work shall be performed in accordance with the Drawings furnished together with the Contract Documents and any such additional drawings as may be issued by the Engineer from time to time during the progress of the work. Additional drawings (if any) will be furnished to the Contractor in due time so as to enable him to perform the work shown thereon in proper sequence and for any advance planning that may be necessary for the efficient performance of such work. The Engineer will decide in such instance whether additional drawings are required for advance planning of the works and determine the time required for doing so.
3.Shop Drawings
If at any time before the commencement or during the progress of the work it appears to the Engineer that for the proper execution of a specific part of the Works, shop Drawings are necessary, these Drawings shall be prepared by the Contractor at his own expense and submitted to the Engineer for approval. On the other hand, the Engineer shall have authority to order at any time and the Contractor shall agree to provide at his own expense any number of shop Drawings which, in the opinion of the Engineer are necessary for the proper execution of a specified Work. The Contractor shall not proceed with the above-mentioned work unless these shop Drawings are approved by the Engineer.
4.As-Built Drawings
All prints of the Drawings, where required, shall be corrected by the Contractor and submitted to the Engineer for approval as the Works proceed. Upon the completion of the Works, the Contractor shall prepare a completely new set of Drawings for the project as executed and submit same in duplicate to the Engineer for approval. When approved by the Engineer, the Contractor shall submit one digital on CD and three copies of all Drawings duly marked "As-Built". The final payment shall not be made except for the actual works that have been complete in accordance with the Specifications and have been duly presented on the "As-Built Drawings". The Contractor shall not be entitled to any extra payment or extension of time for the correction, preparation and supplying of the mentioned drawings.
5.ABBREVIATIONS OF STANDARDS
The following abbreviations covering the Standards used for the Works under the Contract shall have the significance set forth opposite each:
BSBritish Standards Specifications
CPBritish Standard Codes of Practice
ASTMAmerican Society for Testing and Materials
ACIAmerican Concrete Institute
ISOInternational Organization for Specification
LSLocal Standards
6.STANDARDS
The Works have been designed to incorporate and utilize economically goods, materials and workmanship to various specifications which are detailed herein. Reference is commonly made to British Standards (BS) and Local Standard (LS) and to the American Society for Testing and Materials Standards (ASTM). Different national or international standards (DIN or ISO etc.) that correspond to the specified Standard may be used provided that their requirements are not less stringent, and provided that the Contractor presents copies of such Standards translated into English. If any redesign of the Works is necessitated by the adoption of such alternatives the costs incurred shall be born by the Contractor. Those references shall in every case be deemed to include the latest edition or issue of such Standards.
7.Approved
This word when applied by the Engineer to the Contractor's drawings or documents shall mean that the drawings or documents are satisfactory from the standpoint of interfacing with Contractor's furnished components of the installations, and/or that the Engineer has not observed any statement or feature that appears to deviate from the Specification's requirements. Except for the interfacing with the Contractor's furnished components, the Contractor shall retain the entire responsibility for complete conformance with all of the Specification’s requirements.
8.INCONSISTENCY IN CONTRACT DOCUMENTS
The Contractor shall execute the Works according to the provisions of the Contract Documents. Any work indicated in one of the documents but omitted and/or not stated in one or more of the other documents shall be treated as though it were included in all of them.
If any two documents of the Contract conflict as to the quantity of the work to be carried out, the discrepancy shall be brought to the notice of the Engineer, who shall instruct the Contractor which of the two conflicting documents to regard as correct.
If the Contractor shall discover that any work has been omitted and/or not indicated entirely or partially from all the documents, but that such work is essential to the safety or proper functioning of the works, he shall report the facts immediately to the Engineer. If the work is something which in the opinion of the Engineer could not have been foreseen by an experienced Contractor, the Engineer shall issue to the Contractor a variation order stipulating the details of the work to be done. No additional payment shall be made in respect of work carried out in connection with discrepancies between the various Contract Documents.
9.ERRORS IN COMPUTING CONTRACT DOCUMENTS
The Contractor shall be responsible for any error which he makes in computing any quantities of material and labor required or costs involved or through any lack of knowledge of the Site, or misunderstanding of anything shown or implied on the Drawings or in the Specifications and/or the Bills of Quantities.
The Contractor must refer any discrepancy in the Drawings or the Specifications to the Engineer before proceeding in any of the Works. The decision of the Engineer as to the interpretation of the discrepancy will be final.
Any item or items of work not specifically shown on the Drawings or referred to in the Specifications but which, would be necessary for the proper construction of the Works in accordance with the best practice is implied and must be included for as incidental to the Contract Price.
Any item for which the Contractor has not inserted a price in the Bills of Quantities shall be deemed to be covered by other prices of rates therein.
10.Contractor's Responsibility
The Contractor shall bear, at his own cost and expense the full and entire responsibility for the sufficiency of plant, center, scaffolding, false work timbering, machinery, tools labor, etc. and generally for all means used for the execution and fulfillment of this Contract whether such means may or may not be approved or recommended by the Engineer.
Notwithstanding any minimum requirements included in this specification regarding quantity, output and adequacy of plant or outline of methods, the attaining of the specified standards of quality of work shall be the sole responsibility of the Contractor.
11.TEMPORARY WORKS AND REINSTATEMENT
The Contractor shall provide and maintain all temporary access roads and tracks necessary for movement of plant and materials and clear same away at completion and make good all Works damaged or disturbed.
The Contractor shall submit drawings and full particulars of all Temporary Works to the Engineer before commencing same. The Engineer may require modifications to be made if he considers them to be insufficient and the Contractor shall give effect to such modifications but shall not be relieved of his responsibilities for the sufficiency thereof.
The Contractor shall provide and maintain weatherproof sheds for storage of materials pertinent to the Works both for his own use and for the use of the Employer and clear same away at the completion of the Works.
The Contractor shall divert as required, at his own cost and to the approval of the Engineer, all public utilities encountered during the progress of the Works, except those specially indicated on the Drawings as being included in the Contract.
Where diversions of services are not required in connection with the permanent Works, the Contractor shall uphold, maintain and keep the same in working order in existing locations.
The Contractor shall make good, at his own expense, all damage to telephone, telegraph and electric cables or wires, sewers, water, or other pipes, except where the Public Authority or Private Party owning or responsible for the same elects to make good the damage. The cost incurred in so doing shall be paid by the Contractor to the Public Authority or Private Party on demand.
All injury to the surface of the land, to the beds of watercourses, projecting banks, etc., where disturbed by the Works (other than where specifically ordered by the Engineer) shall be repaired by the Contractor or the Authorities concerned, at the Contractor’s expense. All such making good shall be to the approval of the Engineer.
The requirements detailed above shall be provided and maintained at the expense of the Contractor.
The Employer shall not be liable for loss or injury to any Temporary Works.
12.EXISTING FACILITIES
The existing facilities must be kept in continuous operation throughout the construction period. No interruption will be permitted which adversely affects the degree of service provided. Provided permission is obtained from Employer via Engineer in advance, portions of the existing facilities may be taken out of service for short periods corresponding to periods of minimum service demands. Such permission will not relieve the Contractor of any of his responsibilities under this Contract.
The cost of work and materials required in the construction and subsequent removal of temporary crossings and bypasses of all existing Utilities roads, pipes, channels and cables and in the reinstatement of all such utilities shall be included by the contractor in the unit rates for the respective items of work for which such crossings are required.
13.RELOCATION OF ELECTRIC AND TELEPHONE POLES
The Contractor shall transfer interfering electric and telephone poles to the new required locations. Work shall include dismantling and re-fixing of the electric and telephone cables, supplying and installing any shortage of conductors or necessary fittings and accessories. The work shall be executed as directed by the Engineer or his representative and in full coordination with the- proper authorities.
14.SUBSURFACE STRUCTURES AND ALL UTILITIES
Before beginning work operations, the Contractor shall contact the local municipalities and utilities and notify them of his intention to begin work operations.
The Drawings may show and Specifications may discuss certain structures or facilities believed to exist in the working area, the exact location of which may vary from the locations indicated. The Drawings may not show all water lines, underground electric conduits or aboveground electric facilities, underground telephone conduits or aboveground telephone facilities, underground cesspools and other sanitary facilities, all of which are known to exist in the area. There may be certain other facilities and utilities in the Work area not listed above or not shown on the Drawings, including septic tanks and service connections that must remain in service.
It shall be the responsibility of the Contractor to determine the exact location of such pipelines, subsurface structures and/or utilities ahead of his work by exploratory excavation or other means and to take suitable precautions to prevent damage to them and to prevent interruption of the services which such facilities provide. If they are broken or damaged, they shall be restored by the Contractor or the appropriate utility at the Contractor’s expense.
When water lines, sewers drains, other pipelines, subsurface structures and/or utilities are in close proximity to the Work and they must be removed, relocated or altered in any way, the Work shall be in strict accordance with the requirements and specifications of the owner of said facilities.
In addition, the Contractor shall pay particular attention to poles, pole lines, overhead wires and all other facilities aboveground that may be in conflict with the Work. The Contractor shall follow the same procedures outlined herein for underground facilities.
15.SAFETY OF ADJOINING EXISTING BUILDINGS
The Contractor shall take all necessary precautions during the excavation for the Works particularly those excavations which are adjoining existing buildings and shall protect these buildings from damage or collapse by means of temporary or permanent shoring, strutting, sheet piling or underpinning or excavation in short length and/or other methods as he deems fit. Also, he shall properly support all foundations, trenches, walls, floors, etc., affecting the safety of the adjoining existing buildings.
The Contractor shall keep the Engineer informed as to the manner in which he intends to proceed with the execution of the excavations and obtain his approval, such approval if given shall not absolve the Contractor of his responsibility under this clause.
The Contractor shall save harmless and indemnify the Employer in respect of all claims, demands, proceedings, damages, costs, charges and expense whatsoever arising out of or in relation to any such matters in so far as the Contractor is responsible under this clause.
16.WATCHING
The Contractor shall allow for all necessary watching for the security of the Works and the protection of the public, including shelter and fuel for any watchman as required.
17.WATER and ELECTRICAL POWER FOR THE WORKS
The Contractor shall provide all necessary water and electrical power and lighting for the Works, with all temporary plumbing and storage, pay all charges, and alter, adapt and maintain temporary work as necessary and remove and make good at completion.
18.MEDICAL FACILITIES
The Contractor shall arrange for medical attention to be available when necessary and shall provide all adequate first aid equipment within easy access of each Works area on the site. The Contractor shall display in suitable places the names of his employees who are available from time to time to render first aid. The Contractor shall provide for the transport of serious cases to the nearest hospital.
19.SPECIFIED MANUFACTURER’S PRODUCTS
Manufacturer’s name or catalogue number, if shown in the Specification or indicated on the Drawings, are given only for indicative purposes and for general reference only. It shall be understood that the actual material supplied shall meet the requirements of the Specifications, and if necessary, the material specified under such manufacturer’s name or catalogue indicated for reference, shall be modified under the direction of the Engineer.
20.ALTERNATIVE MATERIALS
Should the Contractor wish to offer alternative items or materials to those specified he shall supply details of such alternatives together with details of any reduction in the Contract Price should the alternative be allowed to be substitute for the specified items or materials. All offered alternatives shall comply fully in all respects with the Specifications of the particular items or materials. Acceptance or refusal of such alternatives will be entirely at the discretion of the Engineer.
If during the course of the Contract certain materials or items required for use in the Works should be unobtainable, despite the best effort of the Contractor, the Contractor may offer for the approval of the Engineer alternative materials or items, provided that they possess the minimum requirements of the originally specified material.
In the event of acceptance of any alternative materials or items a suitable price reduction shall be made in respect of any decrease in value but no price addition shall be made in respect of increase in value.
In the event of refusal of any alternative materials or items the Contractor shall not be relieved of any of his obligations under the Contract and shall be solely liable for any delay or loss occasioned by his failure to provide the material or items as specified.
21.IMPORTED MATERIALS
The Contractor is required to produce documentary evidence that all imported materials or items have been ordered shortly after the Site is handed over for the commencement of the Works. This means materials or items that have to be ordered from abroad. As soon as orders have been placed, copies or such orders shall be submitted to the Engineer.